Tablet armchair



W. H..MAXWELL TABLET ARM CHAIR May 6, 1930.

Filed May 21, 1927 u. 1 h m 2 Z7 2 3 3 4 n 3 4 mm 5 Z 1 m T EH/j- 2- RMw. mx m N d R W m w. m M M Wyn Y B i I I I 5 l g Patented May 6, 1930UNlTED STATES PATENT WILLIAM H. MAXWELL, OF KALAMAZOO, MICHIGAN,ASSIGNOR TO OTIS A. EARL, F KALAMAZOO, MICHIGAN TABLET ARMGHAIRApplication filed. May 21,

The main object of this invention is to provide an improved tablet armchair for school and office work, lunch rooms and the like which may bemade largely of metal, is very simple and economical in structure and atthe same time comfortable.

Objects pertaining to details and economies of my invention will appearfrom the descrip tion to follow. The invention is defined in the claims.

A structure embodying the features of my invention is clearlyillustrated in the accompanying drawing, in which:

Fig. 1 is a perspective View of a chair embodying the features of myinvention.

Fig. 2 isa detail fragmentary inverted view with the legs in section.

Fig. 3 is a fragmentary view in section on line 33 of Figs. 1 and 2.

Fig. 4 is a detail section on line 4P of Fig. 1.

Fig. 5 is a detail side elevation showing details of the support for thetablet arm and of the back.

25 Fig. 6 is a detail section on line 66 of Fig. 1.

Referring to the drawing, the seat 1, which in the structure illustratedis formed of wood, is provided with a supporting ring 2 having soangle-shaped brackets 3 secured on its inner side with the upper legs ofthe brackets in the plane of the top of the bed ring so that the seat 1rests thereon as shown in Fig. 3. Screws 1 secure the seat to the bedring.

The angle iron legs 5 are arranged with their angles facing diagonallyinward. The upper ends of the legs are flattened at 6 to conform to thebed ring 2 to the inner side of which they are secured by rivets 7 Ipro- 4 vide back supporting bars 8 and 9, also formed of angle iron,these bars being arranged with their angles opening forwardly and infacing relation.

The lower ends of these back supporting 4 bars have forward and inwardoffsets 10 terminating in attaching portions 11, these offset portionsbeing twisted sutficiently to present the angles of the attachingportions 11 to the rear legs which they embrace and to 50 which they aresecured by the rivets 12.

1927. Serial No. 193,240.

The back 13 is arranged between the forwardly facing legs of the backsupporting bars and pivoted thereto at 14L This allows the upper end ofthe back to swing rearwardly, the rearward movement of its lower end,however, being limited by engagement with the inwardly projecting armsof the back supporting bars. The legs are connected adjacenttheir lowerends by the braces 15, an annular brace 17 fitting within and beingsecured to the cross braces 15 at 18. This provides a very rigidconstruction.

The lower ends of the legs are upset at 19, these upset portions beingsuitably conformed to provide suitable feet for the legs.

A tablet arm 20 is supported at its rear end by the bolt 21 which isselectively engageable with holes 22 in the back supporting bar 9. Thefront end of the tablet arm is provided with a supporting pedestal 23adjustably mounted on the L-shaped bracket 2%. The horizontal arm 25 ofthis bracket 24 has a laterally offset attaching portion 26 which isdisposed within the angle of one of the front legs and secured theretoby rivets 27 The vertical arm 28 of this supporting bracket 24 has alongitudinal slot 29 therein which is engaged by the bolt 30 through thepedestal so that the front end of the tablet arm 20 is adjustablysupported.

With the parts thus arranged the chair may be very economicallyproduced, largely of metal. The structure is strong, durable andcomfortable, the back 13 being self-adjusting and swinging on its pivotsto conform to the position of the occupant. Below the back 13 is a tiebar 31 which prevents spreading of the upper ends of the back supports.

Having thus described my invention what I claim as new and desire tosecure by Letters Patent is:

1. In a chair, the combination of a seat provided with angle iron legsdisposed with their angles facing diagonally inward, angle iron backsupporting bars disposed in facing relation with their angles openingforwardly and with their lower portions forwardly and inwardly offsetand twisted to present the angles of their lower ends in a diagonalrelation to embrace the rear legs to which they are secured, and a backdisposed between the forwardly projecting arms of the upper ends of saidback supporting bars and pivotally mounted thereon, the inwardlyprojecting arms of said back supports constituting stops limiting therearward movement of the lower edge of the back on its pivots, thepivots being positioned at the upper ends of the arms so that therearward movement of the upper edge of the back is not restricted by theends of the projecting arms of the back supports.

2. In a chair, the combination of a seat provided with angle iron legsdisposed. with their angles facing diagonally inward, angle iron backsupporting bars disposed in facing relation with their angles openingforwardly and with their lower portions twisted to present the angles ofthe lower ends in a diagonal relation to embrace the rear legs to whichthey are secured and a back disposed between the forwardly projectingarms of the upper ends of said back supporting bars and pivotallymounted thereon, the inwardly projecting arms of said back supportingbars limiting the rearward movement of the lower edge of the back on itspivots, the pivots being positioned at the upper ends of the backsupporting bars so that the rearward movement of the upper edge of theback is not limited by such inwardly projecting arms.

3. In a chair, the combination of a seat provided with angle iron legsdisposed with their angles facing diagonally inward, a back comprislngangle iron back supporting bars securedto the rear legs of the seat, oneof said back supports being provided with a plurality of verticallyspaced holes, a tablet arm, a supporting bolt for the rear of said armselectively engageable with said holes in said back supporting bar, apedestal secured to the under side of said tablet arm, an L-shapedbracket having a laterally ofiset attaching portion at its lower endsecured within the angle of one of the front legs, the upright portionof said bracket being vertically slotted, and a bolt on said armpedestal engaging said slot.

In witness whereof I have hereunto set my hand.

WILLIAM H. MAXYVELL.

